Re: TreeView with Recursive TreeNode....

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From: Mark Broadbent (nospam_at_nospam.com)
Date: 11/14/04 

Date: Sun, 14 Nov 2004 19:55:41 -0000

please read the word "directory" as "node" in my previous post. I copied and
pasted from one of my previous posts and forgot to amend the text. 

-- 
Best Regards,
Mark
Mark Broadbent
mcad,mcdba,mcse+i
emailto: newsgroupsATmettayyaDOTgotadslDOTcoDOTuk
remove AT with '@' and DOT with '.' -please do not send spam or address will 
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"Mark Broadbent" <nospam@nospam.com> wrote in message 
news:OV$9kSnyEHA.3024@TK2MSFTNGP14.phx.gbl...
> Whether this data is read in as XML or not, the tree would still (IMO) 
> have to be built up using traditional programming methods (message calls 
> to the TreeView object) -so Im not too sure where Iain is coming from 
> (although there would be occasions that reading data from the database as 
> XML would be benefical).
> He might be suggesting in this instance that if you have a hierachical 
> view of the data to recurse through then it would simplify the technique 
> for mirroring this in a TreeView and this is probably correct.
>
> Anyhow whatever technique you use for reading in the data the following 
> are the TreeView methods you will use to build up the data tree:-
>
>
> treeViewName.Nodes.Add(node)    //to add a directory if tree is 
> empty -will only happen once
> node.Nodes.Add(node)    //to add a directory if parent has been found in 
> tree and navigated to
> node.Parent    //to assign a reference to a parent node of a node (for use 
> in navigating up the tree) -note that the reference may be null if a 
> parent doesnot exist
> node.Nodes[x]    //to assign a reference to a child node within the node's 
> node collection -to find is node for directory has already been added
> node.Nodes.Count    //for use with above
>
> etc.etc.
>
> It really is quite simple and you will probably be able to write some very
> efficient code.
> -- 
> Best Regards,
>
> Mark
>
> Mark Broadbent
>
> mcad,mcdba,mcse+i
> emailto: newsgroupsATmettayyaDOTgotadslDOTcoDOTuk
> remove AT with '@' and DOT with '.' -please do not send spam or address 
> will be changed!
> "Alex" <chipheo2k@mail.ru> wrote in message 
> news:uztVm%23gyEHA.3120@TK2MSFTNGP12.phx.gbl...
>> Hello!
>> Thanks so much! but do u have another method like traditional 
>> programming? I
>> know nothing about XML ...:))
>>
>>
>>
>>
>> "Iain Mcleod" <mcleodia@dcs.gla.ac.uk> сообщил/сообщила в новостях
>> следующее: news:uXkGHceyEHA.2568@TK2MSFTNGP11.phx.gbl...
>>> Get it as xml.
>>> Got SQL Server 2000?  Use SQLXML.
>>>
>> http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnanchor/ht
>> ml/anch_SQLXML.asp
>>>
>>>
>>> Iain
>>>
>>>
>>> "Alex" <chipheo2k@mail.ru> wrote in message
>>> news:O1zmv5cyEHA.3976@TK2MSFTNGP09.phx.gbl...
>>> > Hello!
>>> > I must build a TreeView with recusive treenodes, my database as below:
>>> >
>>> > id        name        parentID
>>> > 1        name1        0
>>> > 2        name2        0
>>> > 3        name3        0
>>> > 4        name4        1
>>> > 5        name5        1
>>> > 6        name6        4
>>> > 7        name7        6
>>> >
>>> >
>>> > so my treeview looks like this:
>>> >
>>> > something
>>> >    name1
>>> >            name4
>>> >                    name6
>>> >                              name7
>>> >            name5
>>> >   name2
>>> >  name3
>>> >
>>> >
>>> > The Recursion is not known (depends on Database).
>>> > Pls help me to build it!
>>> > Thanks in advance!
>>> >
>>> >
>>>
>>>
>>
>>
>
>

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